1. The sampling distribution shows sample means from samples of sizen= 50.

a. What does one dot on the sampling distribution represent?

b.Estimate the population mean from the dotplot.

A)62B)63C)65D)67

c. Estimate the standard error of the sample means.

A)1B)2C)3D)5

d. Using the sampling distribution, how likely is = 58.9?

A) Reasonably likely to occur from a sample of this size

B) Unusual but might occur occasionally

C) Extremely unlikely to ever occur

e. Using the sampling distribution, how likely is = 64.2?

A) Reasonably likely to occur from a sample of this size

B) Unusual but might occur occasionally

C) Extremely unlikely to ever occur

f. Using the sampling distribution, how likely is = 70.0?

A) Reasonably likely to occur from a sample of this size

B) Unusual but might occur occasionally

C) Extremely unlikely to ever occur

g. If samples of sizen= 20 had been used instead ofn= 50, which of the following would be true?

A) The sample means would be centered at a larger value.

B) The sample means would be centered at the same value.

C) The sample means would be centered at a smaller value.

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